. . "\"The Harper Hall of Pern\" is an omnibus edition of the Harper Hall trilogy which includes: \n* Dragonsong \n* Dragonsinger \n* Dragondrums"@en . . . "1979"^^ . "\"The Harper Hall of Pern\" is an omnibus edition of the Harper Hall trilogy which includes: \n* Dragonsong \n* Dragonsinger \n* Dragondrums"@en . "The Harper Hall of Pern"@en .